@openhps/core/dist/cjs/three/nodes/accessors/Position.js

Open Hybrid Positioning System - Core component

"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.positionWorldDirection = exports.positionWorld = exports.positionViewDirection = exports.positionView = exports.positionPrevious = exports.positionLocal = exports.positionGeometry = void 0;
var _AttributeNode = require("../core/AttributeNode.js");
var _TSLCore = require("../tsl/TSLCore.js");
var _ModelNode = require("./ModelNode.js");
/**
 * TSL object that represents the position attribute of the current rendered object.
 *
 * @tsl
 * @type {AttributeNode<vec3>}
 */
const positionGeometry = exports.positionGeometry = /*@__PURE__*/(0, _AttributeNode.attribute)('position', 'vec3');

/**
 * TSL object that represents the vertex position in local space of the current rendered object.
 *
 * @tsl
 * @type {AttributeNode<vec3>}
 */
const positionLocal = exports.positionLocal = /*@__PURE__*/positionGeometry.toVarying('positionLocal');

/**
 * TSL object that represents the previous vertex position in local space of the current rendered object.
 * Used in context of {@link VelocityNode} for rendering motion vectors.
 *
 * @tsl
 * @type {AttributeNode<vec3>}
 */
const positionPrevious = exports.positionPrevious = /*@__PURE__*/positionGeometry.toVarying('positionPrevious');

/**
 * TSL object that represents the vertex position in world space of the current rendered object.
 *
 * @tsl
 * @type {VaryingNode<vec3>}
 */
const positionWorld = exports.positionWorld = /*@__PURE__*/_ModelNode.modelWorldMatrix.mul(positionLocal).xyz.toVarying('v_positionWorld').context({
  needsPositionReassign: true
});

/**
 * TSL object that represents the position world direction of the current rendered object.
 *
 * @tsl
 * @type {Node<vec3>}
 */
const positionWorldDirection = exports.positionWorldDirection = /*@__PURE__*/positionLocal.transformDirection(_ModelNode.modelWorldMatrix).toVarying('v_positionWorldDirection').normalize().toVar('positionWorldDirection').context({
  needsPositionReassign: true
});

/**
 * TSL object that represents the vertex position in view space of the current rendered object.
 *
 * @tsl
 * @type {VaryingNode<vec3>}
 */
const positionView = exports.positionView = /*@__PURE__*/(0, _TSLCore.Fn)(builder => {
  return builder.context.setupPositionView();
}, 'vec3').once()().toVarying('v_positionView').context({
  needsPositionReassign: true
});

/**
 * TSL object that represents the position view direction of the current rendered object.
 *
 * @tsl
 * @type {VaryingNode<vec3>}
 */
const positionViewDirection = exports.positionViewDirection = /*@__PURE__*/positionView.negate().toVarying('v_positionViewDirection').normalize().toVar('positionViewDirection');